This is roughly equivalent to the human age range of six to nine, Dr. Kahlenberg said.

这大致等同于人类六岁到九岁之间的年龄范围。”卡伦博格博士如是说。

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This is roughly equivalent to the human age range of six to nine, Dr. Kahlenberg said.

这大致等同于人类六岁到九岁之间的年龄范围。”卡伦博格博士如是说。

youdao